Re: Pine needles
You need to know: - pH of water you are using to water the plants.
- pH of the lemon juice.
- pH of the soil, measured in 3 or 4 different locations at different depth each (total of 3 or 4 measurements). Testing about an inch inside one of the holes at the bottom is a good idea.
- size of the pot.
- about what proportion of the pot the corm takes up. 1/4? 1/2?
- pH you wish to achieve.
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